Preteach SkillsRegroup Addition and Subtraction 2.NBT.7*Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

Place Value Activities2.NBT.1100 can be thought of as a bundle of ten tens — called a “hundred.” -The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).Math Journal: Choose a number between 100 and 999. Show how many ways you can represent this number. Math Stations: Place Value Challenge, Word Problems

A Lucky Place

Cookie Dough: Spell the Number

Odd or Even Numbers2.OA.3*Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.